Pea-huller.



PATENTED JULY 21, 1903.,

W. S. BROYLES.

PEA HULLER.

APPLICATION FILED JULY 8, 1899.

2 SHEETS-SHEET 1.

Us n N0 MODEL.

m J W A PATENTED JULY 21, 1903.

. S. BROYLES.

PEA HULLER.

APPLICATION FILED JULY 8. 1899.

2 SHEETS-SHEET 2.

" axq'aw N0 MODEL.

wi/lmeoom UNITED STATES I Patented July 21, 1903.

PATENT OFFICE.

PEA-HU LLER.

SPECIFICATION forming part of Letters llatent No. 733,941, dated July 21, 1903.

' Application filed July 8, 1899. Serial No. 723,206. "(No model.) I

To all whom it may concern:

Be it known that LWINFIELD S. BROYLES,a citizen of the United States, residing at- Spring City, in the county of Rhea, State of Ten-' and has for its object the production of a device wherein the peas will be effectually separated from the pods without injury to the peas,as distinguished from machines wherein the peas are ground or otherwise broken or crushed.

In the drawings forming a part of this application, and in which like numerals of reference are employed to designate like parts in all the views, Figure 1 is a perspective view of the exterior of a machine embodying the invention. Fig. 2 is a vertical longitudinal section of the machine. Fig. 3 is a view showing the opposite side of the machine from that shown in Fig. 1. ing the hopper and table.

Referring now to the drawings, designates the casing or framework, generally rectangular in form and with the main driveshaft 11 journaled transversely above the framework and with a fan-casing 10 across the front end, with its discharge-opening inward, as shown in Fig. 3.

To avoid confusi0n,the feed endof themachine will be referred to as the front and the discharge end will be referred to as the rear of the machine.

The fan is designated at 12 and is mounted upon a shaft 13, journaled transversely of the casing 10 and having a pulley 14 on one end with which a belt 14 ,leadingfrom a drivepulley 42 on the shaft 11, engages and whereby the fan is operated.

Suspended in the bottom-of the casing 10 by suspension-barsl2l 22 .is a shoe 51, the bottom 14 of the shoe being inclined from both ends downward and inward and with a transverse opening 15 at the lowest point. Formed upon the lower edges of the part 14,

Fig. 4 is a detail show adjacent to the opening 15, are ribs 18, adaptedtobe engaged by corresponding channels 17 on an inclined spout 19, so that the spout may be readily engaged with and disengaged from the shoe to enable it to be reversed in position, so as to discharge thematerial passing through the opening 15 to either side of the machine.

Secured across the upper part of the shoe 51 is a screen 54, preferably of perforated sheet metal and with its tail or discharge end in approximately close relation to the upper or tail end of the rear section of the imperforate bottom 14 of the shoe, 'so that the tailings from the screen 54 will pass over the rear upper end of the im'perforate bot tom 14 7 Secured transversely through the sides of the shoe 51 at the upper rear end of the imperforate bottom 14 is a rod 20, with its ends projecting through segmental slots in the sides of the casing 10, and connected by said projecting ends to the lower ends ofsuspension-rods 21, one on each side of the machine, the upper ends of the suspension-rods being pivoted to the sides of the casing 10,as shown. By this means the shoe 51 is suspended by its tail or discharge end in a position to be vibrated longitudinally of the machine.

Securedtransversely in the extreme outer or discharge end of theshoe 51 is a defiecting-plate inclining inward and downward {beneath the imperforate bottom 14 and extending beyond the tail ends of both the screens 54 and the'tail endof the imperforate bottom 14, so that the tailings from the screens will be caught by the plate 20 and deflected inward beneath the shoe and be deposited in a suitable receptacle. shown.) 1

Journaled upon the upper side of the easing 10 is a toothed cylinder and supported vertically in the rear of the cylinder is the segmental toothed concave 36. Attached to the rear side of the concave 36 are two pro jections 38, each with a lateral flange 39,resting upon the upper edges of the casing 10 and secured thereto by clamp-screws 39?, the clamp-screws fitting throughlongitudinal slots in the flanges 39, so that the 'flanges, projections, and concave supported thereby may be readily adjusted nearer to and far- (Not ther away from the cylinder 35 to regulate the action and also to take up any lost motion that may arise between the parts. The concave is thus maintained in its vertical position with relation to the rear side of the oylinder at all points of its adjustment, as all the movement is in lines parallel to the upper horizontal surface of the casing 10.

The feed-hopper is represented at 39 and consists of a horizontal'bottom 39, substantially vertical comparatively high inner end 39, and sides 39", with a comparatively low front 39 and supported by side bars 39 upon the upper edges of the casing 10, with its inner part above the cylinder 36 and with the inner ends of the bars 39 resting against the laterally-projecting flanges 39, the latter thus forming stops to limit the end movement of the bars. Formed through the horizontal bottom 39 next to the inner end 39 is the outlet 32 of the hopper, which comes centrally above the cylinder 35, asshown in Fig. 2. By this means the material placed in the hopper 3.) will fall through the opening 32 by gravity and be thereby fed to the cylinder as required. Attached to the outer sides of the bars 39 intermediate of their lengths are stops or studs 39, with their lowerends projecting below the lower line of the bars and engaging keepers 39 on the sides of the easing 10, as shown. Each of the bars 39 is also provided with a hook 55, adapted to engage a pin 56 on the casing 10, as shown in Fig. 3, to retain the bars and the connected feed-hopper 39 in position upon the casing, while at the same time leaving them free to be readily removed when access is desired to the cylinder and concave. The concave 36 thus stands vertically in the rear of the cylinder 35, so that the material passing through the feed-opening 32 will be drawn downwardly and rearwardly constantly in line with the movement of the cylinder and no backward or retarding action will take place. The material will thus be constantly drawn downward in the direction it is desired it shall go and will not be thrown upward and backward,as if it would be it the motion of the cylinder were reversed. It will be observed that the motion of the cylinder is reversed from that of the ordinary threshing-machine, and the material is fed directly downward centrally upon the top of the cylinder and is caught and carried by the cylinder-teeth forward and downward and rearwardly again upon the imperforate upper end 25" of the upper screen 25. The feed-hopper 39 being flat or horizontal, the material will lie quiescent thereon until pushed manually forward against the comparatively high rear 39 and over the feedopening 32. The material is thus in position to be fed through the opening by gravity only, and will thus be caught by the teeth on the cylinder and carried downward in contact with the teeth on the concave and there subjected to the threshing action and the peas or other seeds released from the that no danger exists of the hands of the operator coming in contact with the teeth of the thresher-cylinder, as the cylinder is entirely covered and protected by the feedhopper, and with the opening 32 at the farthest point possible from the operator he will never have occasion to move his hands near the cylinder or the feed-opening above it.

The drive-wheel 42 has'a gear 45 secured to its spokes 44 and engaging a pinion 46 on a transverse shaft 47, whereby the motion of the wheel 42 is imparted to the shaft 47. On theopposite end of the shaft 47 is a belt-pulley 48, from which a belt 49 runs to a pinion 50 on the shaft of the cylinder 35, whereby the necessary motion is imparted to the cylinder. Thus all the motions of the machine are imparted from one drive-shaft 11. A crank 43 is shown applied to the drive-wheel 42, so that the motions may be imparted manually,or powermay be employed, it preferred.

Suspended to the casing 10 above the shoe 51 and its screen 54 is an inclined screen 25, the lower or tail end being supported upon a crank-shaft 26 and the upper end supported upon the upper ends of bars 22, one on each side, the lower ends of the sarnebars being pivotally connected to the inner or feed end of the shoe 51, while the bars themselvesare in turn pivotally connected at 22 to the easing 10, as shown. On the fan-shaft 13, on the opposite end from the drive-pulley 14, is another pulley 31, from which a belt 30 leads to and over a pulley 29 on the crank-shaft 26, so that motion will be imparted to the crankshaft from the fan-shaft. By this arrangement the rapid revolution of the fan-shaft will transmit corresponding motion to the screen 25, and through the connecting means of the suspension-bars 22 a vibratory motion will be likewise transmitted to the shoe 51, as will be readily understood. The screen 25 is formed with an imperforate upper portion 25 at a relatively steeper incline than the perforated body of the screen, and this imperforate part will come directly below the cylinder 35, so as to receive the product of the cylinder and concave. On the opposite side of the cylinder 35 from the concave 36 is a transverse vertical plate orguard 35, with its lower edge in comparative close proximity to the imperforate portion 25 of the screen 25, so that as the material is carried around by the rapidly-revolving cylinder it will be thrown against the plate 35 and deflected thereby downward upon the imperforate portion 25, and thereby prevented from being thrown over the head end of the screen. The screen 25 and its imperforate extension 25 are provided with vertical sides 25", and the extension 25 will also be provided with a vertical end 25 forward of the terial being thrown over the head end of the screen. By this means of constructing and supporting the screen 25 25 the material is first fed upon the comparatively steeplyinclined imperforate upper portion of the screen, where it is distributed, and flows from thence downward over the perforated portion of the screen. The upper or feed end of the screen 25 25 is thus rapidly vibrated longitudinally of the machine and at the same time moved slightly vertically by means of the necessary slight upward-curving movement of the upper ends of the arms 22, while the lower end of the screen is rapidly vibrated both longitudinally and vertically to a relatively greater extent than the upper or feed end of the screen. This compound and variable movement causes the mass of unseparated material as it falls from the cylinder tosettle in av uniform layer upon the imperferate part 25 of the screen and flow from thence upon the perforated part of the screen and be there subjected to the rapid combined vertical and horizontal movement, which thoroughly agitates the material and separates the different parts, causing the valuable particles to fall to the surface of the screen, while the lighter particles of the pods and chaif are caught by the air-currents from the fan and carried outward to the open end of the machine. The smaller peas or other seeds or grain which it is desirable should be saved pass through the meshes of the screens 25 and'54, while the larger peas or other valuable seeds or grain pass over the tail ends of the screens and are caught by the deflector-plate 20 and are carried thence inward to a suitable receptacle.

Having thus described my invention, what I claim as new is- 1. In a pea-huller, the combination of a cylinder and an upright concave to treat the material and throw the same in one direction, a guard to arrest the material thrown by the cylinder, and an inclined vibrating screen below the cylinder, concave and guard, to receive the material arrested by the guard and convey the same in the reverse direction, substantially as described.

2. In a pea-huller, the combination of a cylinder and an upright concave to treat the material and throw the same in one direction, a guard to arrest the material thrown by the cylinder, an inclined vibrating screen below the cylinder, concave and guard, to receive the material arrested by the guard and convey the same in the reverse direction, and means to move the receiving portion of the said inclined screen toward and from the cylinder, concave and guard, substantially asdescribed.

In testimony whereof I affix my signature in presence of two witnesses.

- WINFIELD S. BROYLES.

Witnesses:

R. A. D1cKsoN, ZENO FIscHEssER. 

